Datenblatt-Suchmaschine für elektronische Bauteile |
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ADF7020 Datenblatt(PDF) 2 Page - Analog Devices |
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ADF7020 Datenblatt(HTML) 2 Page - Analog Devices |
2 / 48 page ADF7020 Data Sheet Rev. D | Page 2 of 48 TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 Functional Block Diagram .............................................................. 1 Revision History ............................................................................... 3 General Description ......................................................................... 4 Specifications..................................................................................... 5 Timing Characteristics..................................................................... 8 Timing Diagrams.......................................................................... 8 Absolute Maximum Ratings.......................................................... 10 ESD Caution................................................................................ 10 Pin Configuration and Function Descriptions........................... 11 Typical Performance Characteristics ........................................... 13 Frequency Synthesizer ................................................................... 15 Reference Input........................................................................... 15 Choosing Channels for Best System Performance................. 17 Transmitter ...................................................................................... 18 RF Output Stage.......................................................................... 18 Modulation Schemes.................................................................. 18 Receiver............................................................................................ 20 RF Front End............................................................................... 20 RSSI/AGC.................................................................................... 21 FSK Demodulators on the ADF7020....................................... 21 FSK Correlator/Demodulator................................................... 21 Linear FSK Demodulator .......................................................... 23 AFC .............................................................................................. 23 Automatic Sync Word Recognition ......................................... 24 Applications Information .............................................................. 25 LNA/PA Matching...................................................................... 25 Image Rejection Calibration..................................................... 26 Transmit Protocol and Coding Considerations ..................... 27 Device Programming after Initial Power-Up ......................... 27 Interfacing to Microcontroller/DSP ........................................ 27 Power Consumption and battery lifetime calculations......... 28 Serial Interface ................................................................................ 31 Readback Format........................................................................ 31 Registers........................................................................................... 32 Register 0—N Register............................................................... 32 Register 1—Oscillator/Filter Register...................................... 33 Register 2—Transmit Modulation Register (ASK/OOK Mode)........................................................................................... 34 Register 2—Transmit Modulation Register (FSK Mode) ..... 35 Register 2—Transmit Modulation Register (GFSK/GOOK Mode)........................................................................................... 36 Register 3—Receiver Clock Register ....................................... 37 Register 4—Demodulator Setup Register ............................... 38 Register 5—Sync Byte Register................................................. 39 Register 6—Correlator/Demodulator Register ...................... 40 Register 7—Readback Setup Register...................................... 41 Register 8—Power-Down Test Register .................................. 42 Register 9—AGC Register......................................................... 43 Register 10—AGC 2 Register.................................................... 44 Register 11—AFC Register ....................................................... 44 Register 12—Test Register......................................................... 45 Register 13—Offset Removal and Signal Gain Register ....... 46 Outline Dimensions....................................................................... 47 Ordering Guide .......................................................................... 47 |
Ähnliche Teilenummer - ADF7020_15 |
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Ähnliche Beschreibung - ADF7020_15 |
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